Yes, it is bad.
No, it should never have happened.
But the clear inference here that “Tesco are deliberately selling out of date food” – don’t be so fucking stupid. Yes it was human error. That is bad. Tesco should really have stopped there rather than digging a hole for themselves by claiming it was probably alright to eat. The idiot stating that should be a little bit more clued in on how the Twitter Toddlers are going to react to that one.
Equally, customers complaining about this : do you have eyes in your head…? If so perhaps you would like to utilise them when buying shit, and not just walk round like a zombie assuming everyone is going to hold your lil hand in this life.